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Clinical characteristics and causes of pruritus in cats


Hobi, S. Clinical characteristics and causes of pruritus in cats. 2011, University of Zurich, Vetsuisse Faculty.

Abstract

Hypersensitivity dermatitides (HD) are often suspected in cats. Cats with HD are reported to
present with one or more of the following patterns: miliary dermatitis, eosinophilic dermatitis,
self-induced symmetrical alopecia or head and/or neck excoriations. Previous reports on
feline HD included small numbers of animals, took place in geographically restricted areas or
did not compare these conditions with other causes of pruritus. The goal of the present study
was to analyse 72 parameters covering signalment, clinical, laboratory and treatment
characteristics from a large group of pruritic cats from different geographical areas. Of the
502 cats, the following diagnoses were made: flea HD (29% of cases), food HD (12%)
nonflea/nonfood HD (20%) and other diseases in which pruritus was a feature (24%). Cats
with signs consistent with a HD but which did not complete a food trial were not analysed
further (15% of cases). Most cats with nonflea HD exhibited signs compatible with one or
more of the four typical lesional patterns, but none of these patterns was found to be
pathognomonic for any specific diagnosis. Food HD and nonflea/nonfood HD were found to
be clinically undistinguishable. Young adult, purebred and female cats appeared predisposed
to nonflea/nonfood HD. As many diagnoses presented with similar lesional patterns, a
thorough clinical work-up is required for establishment of a specific diagnosis.

Hypersensitivity dermatitides (HD) are often suspected in cats. Cats with HD are reported to
present with one or more of the following patterns: miliary dermatitis, eosinophilic dermatitis,
self-induced symmetrical alopecia or head and/or neck excoriations. Previous reports on
feline HD included small numbers of animals, took place in geographically restricted areas or
did not compare these conditions with other causes of pruritus. The goal of the present study
was to analyse 72 parameters covering signalment, clinical, laboratory and treatment
characteristics from a large group of pruritic cats from different geographical areas. Of the
502 cats, the following diagnoses were made: flea HD (29% of cases), food HD (12%)
nonflea/nonfood HD (20%) and other diseases in which pruritus was a feature (24%). Cats
with signs consistent with a HD but which did not complete a food trial were not analysed
further (15% of cases). Most cats with nonflea HD exhibited signs compatible with one or
more of the four typical lesional patterns, but none of these patterns was found to be
pathognomonic for any specific diagnosis. Food HD and nonflea/nonfood HD were found to
be clinically undistinguishable. Young adult, purebred and female cats appeared predisposed
to nonflea/nonfood HD. As many diagnoses presented with similar lesional patterns, a
thorough clinical work-up is required for establishment of a specific diagnosis.

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Additional indexing

Item Type:Dissertation
Referees:Favrot C, Hässig M
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Language:English
Date:2011
Deposited On:07 Jul 2011 08:46
Last Modified:05 Apr 2016 14:57
Number of Pages:8
Additional Information:Publiziert in und Sonderdruck aus: Veterinary Dermatology, 22(5):406-413 (s. ZORA: http://www.zora.uzh.ch/49079/)
Related URLs:http://opac.nebis.ch/F/?local_base=NEBIS&CON_LNG=GER&func=find-b&find_code=SYS&request=006527984
http://www.zora.uzh.ch/49079/
Permanent URL: http://doi.org/10.5167/uzh-48620

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